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Distance, Heights, Times

All such figures are approximate. To ease compatibility with current maps, the metric figure has been given priority. Route distances and height gains take some account of terrain (e.g. zig-zag paths), so that distances and gains measured straight from the map will always give a lower figure than the one stated in the summary. Times are given for good weather and without rest stops, and they should be treated with suspicion. They have been included primarily as a measure of relative – rather than absolute – time. That is, they are indicators of the time-consuming nature of the terrain as compared with another section of the route, or with another route altogether. Compare, for instance, the times/ distances given for the Snowdon Horseshoe and Carneddau Western Ridges.

Maps

There are a number of maps available – of various sizes, scales, and surveys – dealing with the Snowdonia area. However, the following combination is recommended for conciseness:

Landranger Series: OS Sheet 115 (Snowdon), Scale 1:50,000; OS Sheet 124 (Dolgellau)